{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:YXRKGYJQFHKP7O2WOCOUMSU3VR","short_pith_number":"pith:YXRKGYJQ","schema_version":"1.0","canonical_sha256":"c5e2a3613029d4ffbb56709d464a9bac734ea63e9fb05238ffddd13a6f26892e","source":{"kind":"arxiv","id":"1210.6211","version":1},"attestation_state":"computed","paper":{"title":"Barium Abundances in Cepheids","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"J.R.D. Lepine, R.E. Luck, S.A. Korotin, S.M. Andrievsky, V.V. Kovtyukh, W.J. Maciel","submitted_at":"2012-10-23T11:59:04Z","abstract_excerpt":"We derived the barium atmospheric abundances for a large sample of Cepheids, comprising 270 stars. The sample covers a large range of galactocentric distances, from about 4 to 15 kpc, so that it is appropriated to investigate the existence of radial barium abundance gradients in the galactic disc. In fact, this is the first time that such a comprehensive analysis of the distribution of barium abundances in the galactic disc is carried out. As a result, we conclude that the Ba abundance distribution can be characterized by a zero gradient. This result is compared with derived gradients for othe"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1210.6211","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-10-23T11:59:04Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"36eba4a1c800f3933d68c26fbfe517d5f4da2b27a6a79bc9ce0ffb579505f9a4","abstract_canon_sha256":"f3f7ed6893563692b34d9c8e20f8dc9735d18d102e10244b3052b2ca37509597"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:53:44.369809Z","signature_b64":"kpOBy7E26598hH/CZP1FczhZ7huh1b6K+bsy6dBw2miNK87T/d203BYafdN//scHUQUStykozGQb1Qg/444KBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c5e2a3613029d4ffbb56709d464a9bac734ea63e9fb05238ffddd13a6f26892e","last_reissued_at":"2026-05-18T01:53:44.369196Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:53:44.369196Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Barium Abundances in Cepheids","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"J.R.D. Lepine, R.E. Luck, S.A. Korotin, S.M. Andrievsky, V.V. Kovtyukh, W.J. Maciel","submitted_at":"2012-10-23T11:59:04Z","abstract_excerpt":"We derived the barium atmospheric abundances for a large sample of Cepheids, comprising 270 stars. The sample covers a large range of galactocentric distances, from about 4 to 15 kpc, so that it is appropriated to investigate the existence of radial barium abundance gradients in the galactic disc. In fact, this is the first time that such a comprehensive analysis of the distribution of barium abundances in the galactic disc is carried out. As a result, we conclude that the Ba abundance distribution can be characterized by a zero gradient. This result is compared with derived gradients for othe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.6211","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1210.6211","created_at":"2026-05-18T01:53:44.369295+00:00"},{"alias_kind":"arxiv_version","alias_value":"1210.6211v1","created_at":"2026-05-18T01:53:44.369295+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.6211","created_at":"2026-05-18T01:53:44.369295+00:00"},{"alias_kind":"pith_short_12","alias_value":"YXRKGYJQFHKP","created_at":"2026-05-18T12:27:30.460161+00:00"},{"alias_kind":"pith_short_16","alias_value":"YXRKGYJQFHKP7O2W","created_at":"2026-05-18T12:27:30.460161+00:00"},{"alias_kind":"pith_short_8","alias_value":"YXRKGYJQ","created_at":"2026-05-18T12:27:30.460161+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/YXRKGYJQFHKP7O2WOCOUMSU3VR","json":"https://pith.science/pith/YXRKGYJQFHKP7O2WOCOUMSU3VR.json","graph_json":"https://pith.science/api/pith-number/YXRKGYJQFHKP7O2WOCOUMSU3VR/graph.json","events_json":"https://pith.science/api/pith-number/YXRKGYJQFHKP7O2WOCOUMSU3VR/events.json","paper":"https://pith.science/paper/YXRKGYJQ"},"agent_actions":{"view_html":"https://pith.science/pith/YXRKGYJQFHKP7O2WOCOUMSU3VR","download_json":"https://pith.science/pith/YXRKGYJQFHKP7O2WOCOUMSU3VR.json","view_paper":"https://pith.science/paper/YXRKGYJQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1210.6211&json=true","fetch_graph":"https://pith.science/api/pith-number/YXRKGYJQFHKP7O2WOCOUMSU3VR/graph.json","fetch_events":"https://pith.science/api/pith-number/YXRKGYJQFHKP7O2WOCOUMSU3VR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YXRKGYJQFHKP7O2WOCOUMSU3VR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YXRKGYJQFHKP7O2WOCOUMSU3VR/action/storage_attestation","attest_author":"https://pith.science/pith/YXRKGYJQFHKP7O2WOCOUMSU3VR/action/author_attestation","sign_citation":"https://pith.science/pith/YXRKGYJQFHKP7O2WOCOUMSU3VR/action/citation_signature","submit_replication":"https://pith.science/pith/YXRKGYJQFHKP7O2WOCOUMSU3VR/action/replication_record"}},"created_at":"2026-05-18T01:53:44.369295+00:00","updated_at":"2026-05-18T01:53:44.369295+00:00"}